DTC P0507 Idle Control System Rpm - Higher Than Expected: Notes

DTC detecting condition:

Detected when two consecutive driving cycles with fault occur.

Trouble symptom:

Engine keeps running at higher speed than specified idle speed.

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>Clear Memory Mode>OPERATION . and Inspection Mode Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>Inspection Mode>PROCEDURE .

CHECK FOR ANY OTHER DTC ON DISPLAY.
Is any other DTC displayed?
- Yes: Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>List of Diagnostic Trouble Code (DTC) .
- No: Go to 2.
CHECK AIR INTAKE SYSTEM.
1. Start and idle the engine.
2. Check the following items.
  - Loose installation of intake manifold and throttle body
  - Cracks of intake manifold gasket and throttle body gasket
  - Disconnection of vacuum hoses
Is there any fault in air intake system?
- Yes: Repair air suction and leaks.
- No: Go to 3.
CHECK ELECTRONIC THROTTLE CONTROL.
1. Turn the ignition switch to OFF.
2. Remove the electronic throttle control. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Throttle Body>REMOVAL .
3. Check the electronic throttle control.
Are foreign matter found inside electronic throttle control?
- Yes: Remove foreign matter from electronic throttle control. No Perform the diagnosis of DTC P2101. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC P2101 THROTTLE ACTUATOR "A" CONTROL MOTOR CIRCUIT RANGE/PERFORMANCE .